Tonga
TST
JST
Japan Standard Time
GMT +9

Time Difference

TST (Tonga Standard Time) is 4 hours ahead of Japan Standard Time
1:30 pm13:30 in Nuku'alofa, Tonga is 9:30 am09:30 in JST

Nuku'alofa to JST call time
Best time for a conference call or a meeting is between 12pm-6pm in Nuku'alofa which corresponds to 8am-2pm in JST

1:30 pm13:30 TST (Tonga Standard Time) (Nuku'alofa, Tonga). Offset UTC +13:00 hours
9:30 am09:30 Japan Standard Time (JST). Offset UTC +9:00 hours

1:30 pm13:30 Nuku'alofa, Tonga / 9:30 am09:30 JST

Nuku'alofa, Tonga JST
12am (midnight) 8pm
1am 9pm
2am 10pm
3am 11pm
4am 12am (midnight)
5am 1am
6am 2am
7am 3am
8am 4am
9am 5am
10am 6am
11am 7am
12pm (noon) 8am
1pm 9am
2pm 10am
3pm 11am
4pm 12pm (noon)
5pm 1pm
6pm 2pm
7pm 3pm
8pm 4pm
9pm 5pm
10pm 6pm
11pm 7pm
0:00 20:00
1:00 21:00
2:00 22:00
3:00 23:00
4:00 0:00
5:00 1:00
6:00 2:00
7:00 3:00
8:00 4:00
9:00 5:00
10:00 6:00
11:00 7:00
12:00 8:00
13:00 9:00
14:00 10:00
15:00 11:00
16:00 12:00
17:00 13:00
18:00 14:00
19:00 15:00
20:00 16:00
21:00 17:00
22:00 18:00
23:00 19:00

Nuku'alofa Information

Time Zone

Abbreviation / Name
TST - Tonga Standard Time
TOT - Tonga Time
UTC / GMT Offset
+13:00 hours during Tonga Standard Time, currently in use.
+13:00 hours during Tonga Time.
Daylight Saving Time Change
0:00 hours - DST is NOT in use
Daylight Saving Time Starts
Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
Also called Fall Back or switch to Winter Time.

Nuku'alofa Facts

Country
Tonga
Alternative Names
Niukalofa, Noukoualopha, Nucualofa, Nukalofa, Nuku'alofa, Nuku`alofa, Nuku`aloia, Nukualofa, Nukuʻalofa, Nuku‘alofa, Nuku‘aloia, Nuku’alofa, TBU, nu ku a luo fa, nu kuxalofa, nukuallopa, nukuarofa, Νουκουαλόφα, Нукуалофа, נוקואלופה, นูกูอะโลฟา, ኑኩአሎፋ, ヌクアロファ, 努库阿洛法, 努庫阿洛發, 누쿠알로파
Population
22,400
Currency
Pa'anga (TOP)
Geographic Coordinates
21° 08' S Latitude / 175° 12' W Longitude
International Dialing Code
+676

Japan Standard Time

Offset: JST is 9 hours ahead Greenwich Mean Time (GMT) and is used in Asia

Countries: It is used in following countries: Japan

Principal Cities: The largest city in the JST timezone is Tokyo from Japan with population about 8.337 million people. Other major cities in the area are Yokohama, Osaka shi, Nagoya shi, Sapporo

Daylight Saving: Japan Standard Time (JST) is not adjusted for daylight saving therefore JST remains the same through out the year. This means, unlike some time zones where the clock is set forward by one hour every summer and backward by one hour during winter to adjust for daylight saving, Japan Standard Time remains the same

JST Time Zone Geo Map
JST timezone map

JST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +09 - basic short
  • +0900 - basic
  • +09:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0900 - sign character (+) followed by a four digit time providing hours (09) and minutes (00) of the offset. Indicates nine hour and zero minutes time differences to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • India - Military abbreviation for JST
  • I - short form of 'India'
IANA/Olson: Reflects JST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Asia/Tokyo
  • Japan
Time zones with the GMT +9 offset:
  • AWDT - Australian Western Daylight Time
  • CHOST - Choibalsan Summer Time
  • I - India Time Zone
  • IRKST - Irkutsk Summer Time
  • JST - Japan Standard Time
  • KST - Korea Standard Time
  • PWT - Palau Time
  • TLT - East Timor Time
  • ULAST - Ulaanbaatar Summer Time
  • WIT - Eastern Indonesian Time
  • YAKT - Yakutsk Time